def test_autocommit_transactions_should_support_timeout(neo4j_driver):
with neo4j_driver.session() as s1:
s1.run("CREATE (a:Node)").consume()
with neo4j_driver.session() as s2:
tx1 = s1.begin_transaction()
tx1.run("MATCH (a:Node) SET a.property = 1").consume()
with pytest.raises(TransientError):
s2.run(Query("MATCH (a:Node) SET a.property = 2",
timeout=0.25)).consume()
def test_autocommit_transactions_should_support_timeout(neo4j_driver):
with neo4j_driver.session() as s1:
s1.run("CREATE (a:Node)").consume()
with neo4j_driver.session() as s2:
tx1 = s1.begin_transaction()
tx1.run("MATCH (a:Node) SET a.property = 1").consume()
try:
result = s2.run(
Query("MATCH (a:Node) SET a.property = 2", timeout=0.25))
result.consume()
# On 4.0 and older
except TransientError:
pass
# On 4.1 and forward
except ClientError:
pass
else:
raise
def test_autocommit_transactions_should_support_metadata(
session, test_input, neo4j_version):
# python -m pytest tests/integration/test_autocommit.py -s -r fEsxX -k test_autocommit_transactions_should_support_metadata
metadata_in = {"foo": "bar"}
result = session.run("RETURN 1")
value = result.single().value()
summary = result.consume()
server_agent = summary.server.agent
try:
statement = Query(test_input, metadata=metadata_in)
result = session.run(statement)
metadata_out = result.single().value()
except ClientError as e:
if e.code == "Neo.ClientError.Procedure.ProcedureNotFound":
pytest.skip(
"Cannot assert correct metadata as {} does not support procedure '{}' introduced in Neo4j {}"
.format(server_agent, test_input, neo4j_version))
else:
raise
else:
assert metadata_in == metadata_out
def test_statement_object_not_supported(session):
with session.begin_transaction() as tx:
with pytest.raises(ValueError):
tx.run(Query("RETURN 1", timeout=0.25))
def test_result_single_record_value(session):
record = session.run(Query("RETURN $x"), x=1).single()
assert record.value() == 1
def add_person_within_a_second(self, name):
with self.driver.session() as session:
session.run(Query("CREATE (a:Person {name: $name})", timeout=1.0),
name=name)
def test_statement_object(session):
value = session.run(Query("RETURN $x"), x=1).single().value()
assert value == 1
def to_query_and_params(data):
cypher, param = to_cypher_and_params(data)
metadata, timeout = to_meta_and_timeout(data)
query = Query(cypher, metadata=metadata, timeout=timeout)
return query, param